C09C 1/00 Treatment of specific inorganic materials other than fibrous fillers (tenebrescent materials C09K9/00; luminescent materials C09K11/00); Preparation of carbon black
Introduced: September 1968
Title
Titles differ between systems:
IPC: Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
CPC: Treatment of specific inorganic materials other than fibrous fillers (tenebrescent materials C09K9/00; luminescent materials C09K11/00); Preparation of carbon black
Full Title
Full titles differ between systems:
Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
Treatment of specific inorganic materials other than fibrous fillers (tenebrescent materials C09K9/00; luminescent materials C09K11/00); Preparation of carbon black
Of 21 combined children, 13 exist in both systems.
7 codes are CPC-only extensions, 1 exist only in IPC.
Child Classifications
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